MS-LS2-4
Construct an argument supported by empirical evidence that changes to physical or biological components of an ecosystem affect populations.
- Environment
Explainer: How and why fires burn
A fire’s colorful flame results from a chemical reaction known as combustion.
- Health & Medicine
Intel STS finalist finds new flu fighters
Intel Science Talent Search finalist Eric Chen used a computer simulation to narrow down chemical targets to fight influenza. The drugs that he identified could be the next big weapons against flu.
- Microbes
Arctic thaw is spreading wildlife diseases
Polar animals are encountering new, killer parasites as melting ice unlocks their access to new hosts.
- Animals
First living fish leaves ‘endangered’ list
Twenty-one years ago, a minnow facing a high risk of extinction was placed on the U.S. Endangered Species List. With help from scientists, the fish appears to have largely recovered. It’s the first ‘listed’ fish to do so.
- Life
Caught in the act
Scientists observe some evolutionary speed demons as they adapt over the course of just a few years to new environmental conditions.
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- Animals
An enemy in the cave
Bats under attack from a fungus send scientists searching for clues to solve a deadly mystery.
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- Climate
A change in climate
Global warming may be wiping out some plants and animals or pushing them into new habitats.
- Environment
A vulture’s hidden enemy
Vultures may be getting a deadly dose of medicine from the carcasses they feed upon.
- Animals
City birds hit the high notes
Some songbirds battle traffic noise by singing at a higher pitch.
